GALLERY Viewing hiking up Haut Glacier d’Arolla (2021) Side view of Haut Glacier d’Arolla (2021) Sun rising over Col du Mont Brulé (2021) Rope team for equipment installation – Haut Glacier d’Arolla (2021) Lower Haut Glacier d’Arolla (2021) UAV flights from Refuge de Bouqetins (2021) Lower station maintenance – Haut Glacier d’Arolla (2021) Glacier Surface collapse on Haut Glacier d’Arolla (2021) Early Morning over an almost snow-free Haut Glacier d’Arolla.